Refined ball clay
SiO2 49.3%Al2O3 32%Fe2O3 1.19%CaO 0.1%MgO 0.28%K2O 1.93%Na2O 0.34%TiO2 0.53%
Moisture : 18%~20%
Dried MOR : 64.08%
Residue on 325msch sieve(5) : 0.3%